b^2-4ac<0 b^2-144<0 (b-12)(b+12)<0
-12<b<12
Answer:
$168
Step-by-step explanation:
273 dollars for 13 hours of work is a unit rate of 273/13=21 dollars per hour. Multiplying this by 8 hours of work, you get 168 dollars. Hope this helps!
The answer is slope
hope this helps!
Answer:
A=169cm²
Step-by-step explanation:
Answer:
90 degree
Step-by-step explanation:
Let represent the measure of the third angle. Then, − can represent the measure of the second angle. The
sum of the two angles in the right triangle will be °.
− + =
− =
− + = +
=
=
=
The third angle is and therefore measures °. Replacing with in − gives () − = − = .
Therefore, the measure of the second angle is °. The measure of the third angle is °.
